The purpose of the current study was to examine the effects of Response Interruption and Redirection on automatically maintained vocal stereotypy of a ten year old boy with autism. The researcher hypothesized that RIRD strategy would decrease the vocal stereotypy and increase the use of appropriate verbalization. The study was conducted in an ABAB reversal design at a school setting and was implemented by one special education teacher and two paraeducators. Results indicated that RIRD was effective in reducing the vocal stereotypy. However, there were no significant changes in the occurrence of appropriate vocalization.
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